Finding the Fourth Proportional to 384.94, 576.91 and 336.07
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Solution
The fourth proportional to 384.94, 576.91 and 336.07 is: 503.66
Step by Step Solution
- Step 1: Write the proportion equation
384.94 : 576.91 = 336.07 : x - Step 2: Convert to fraction form
384.94/576.91 = 336.07/x - Step 3: Cross multiply
384.94x = 576.91 × 336.07 - Step 4: Simplify right side
384.94x = 193,879.86 - Step 5: Solve for x
x = 193,879.86/384.94 - Step 6: Final answer
x = 503.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.